Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7338243 | Thread-cutting screw | — | 2008-03-04 |
| 6599072 | Corrosion resisting screw with cutting insert | — | 2003-07-29 |
| 6514026 | Screw | — | 2003-02-04 |
| 6086302 | Self-tapping concrete screw for insertion in an associated drill hole in concrete | — | 2000-07-11 |
| 5249897 | Expanding plug | — | 1993-10-05 |
| 5112174 | Expanding plug | — | 1992-05-12 |
| 5085544 | Expanding plug and a method to manufacture same | — | 1992-02-04 |
| 4892450 | Fastening element consisting of a tie bolt and a clamping wedge | — | 1990-01-09 |
| 4813832 | Fixing element keyable in a hole in a solid base | — | 1989-03-21 |